129805910 is an even 9-digits composite number following 129805909
and preceding 129805911 . In scientific notation, it is written as 1.29805910 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 45404928 positive integers (up to 129805910) that are relatively prime to 129805910.
129805910 has 16 divisors, whose sum is 208113840
The reverse of 129805910 is 019508921
Previous prime number is 19
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-nine million eight hundred five thousand nine hundred ten
Scientific notation
1.29805910 × 10^8
Engineering notation
1.29805910 × 10^6
Prime Factorization
2 × 65 × 19 × 52553
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129805910
Product of the distinct prime numbers
The prime factorization of 129805910 is 2 × 65 × 19 × 52553.
Since it has a total of 4 prime factors.
7 , 5 , 15 , 95 , 67 , 542 , 2967 , 9174 , 57103 , 77104 , 554952 , 97043 , 4660887 , 5981988 , 92042708 , 53781391 , 516202764 , 9174503 , 4015733783 , 1834046087
n×2
259611820
n×3
389417730
n×4
519223640
n×5
649029550
n÷2
64902955
n÷3
43268636.666667
n÷3
32451477.5
n÷5
25961182
n2
16849574270928100
n3
2.1871743213504E+24
n4
2.8390815311152E+32
n5
3.685295617106E+40
2 √n
11393.239662186
3 √n
506.3274685086
4 √n
106.73911964311
5 √n
41.942942323514
1 , 2 , 19 , 38 , 65 , 130 , 1235 , 2470 , 52553 , 105106 , 998507 , 1997014 , 3415945 , 6831890 , 64902955 , 129805910
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129805909
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129805910 can be divided by 16 positive divisors.
The sum of these divisors (counting 129805910) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101111001010111001010110
3
Ternary
100001020211020022
4
Quaternary
13233022321112
5
Quinary
231212242120
6
Senary
20514105142
8
Octal
757127126
10
Decimal
129805910
12
Duodecimal
3757b1b2
16
Hexadecimal
7bcae56
20
Vigesimal
20b5efa
36
Base36
25a6vq
md5
d223042de42f922c915abb6fc41e38ef
sha1
177121e97169673377f228f912adeae292751dba
sha256
68951a13f88cdb75f8418877d6ec40f778dee60009e3cf1b214b4fe92ab1a086
sha512
d3f63f35ea4702a4ab923974c0dac9489b35a81850e982aeae9eb96dd9e90d9363383cfec3f8a9d6582554f9d7c245783beacf2e2ff4845143de98fc0a80b471
ripemd-160
05bb2be9c907bff2ea7b0eea7a30adc39f0db871
Diameter
259611820
Circumference
815594586.49708
Area
5.2934498745663E+16
Volume
9.1616143734329E+24
Surface area
2.1173799498265E+17
Circumference
815594586.49708
Perimeter
519223640
Area
16849574270928100
Diagonal
183573278.39818
Surface area
101097445625568600
Volume
2.1871743213504E+24
Space diagonal
224830431.24271
Perimeter
389417730
Area
7.2960796807882E+15
Altitude
112415215.62136
Surface area
7.2960796807882E+15
Volume
2.5776096571066E+23
Height
61191092.799394